Trouble Shooting - Motak MR4-C-S Manual

Trouble Shooting

Symptoms
The pilot flame cannot be
ignited.
The pilot flame is on, but
the main burner will not
ignite
Burner has a "Pop" sound
when gas supply is turned
off.
Burners have yellow tips
and creating black soot.
The above trouble shooting guide is for reference only. If any failure occurs, please stop using, and
inform the professional technicians to check and repair. Safety First! Maintenance should be done
only after the power supply and gas supply are shut down.
For Warranty Service Call: 833-474-0367
Causes
1. The gas pressure is not
sufficient.
2. The nozzle is blocked.
3. Connection of the
thermocouple is loose.
4. The thermocouple is defective.
5. The gas control valve is
malfunctioning.
1. The gas pressure is not
sufficient.
2. The main burner orifice is
blocked.
3. The gas control valve is
defective.
4. By-pass setting incorrect.
1. The burner orifice is not the
correct size for the type of gas
being supplied to the range.
2. The air shutter is not adjusted
properly.
3. The gas pressure is too low.
4. The gas supply connection is
not the correct size.
1. The burner orifice is not the
correct size for the type of gas
being supplied to the range.
2. The air shutter is not adjusted
properly.
3. The gas pressure is too low.
4. The volume of gas being
supplied to too low.
1. Adjust the pressure regulator to
get a proper pressure.
2. Unblock the nozzle.
3. Tighten the thermocouple.
4. Replace the thermocouple
5. Please replace the gas control
valve.
1. With the use of a manometer,
adjust the pressure regulator to
the proper pressure setting on
the data tag.
2. Unblock the burner orifice.
3. Replace the gas control valve.
4. Reset By-pass setting.
1. Check the orifice size to be sure
it is correct for the gas supply.
2. Adjust the air shutter on the
burner.
3. With the use of a manometer,
adjust the pressure regulator to
the proper pressure setting on
the data tag.
4. Verify that the connection type is
at least ¾" inside diameter and
of commercial grade. Check with
your installer for correction.
1. Check the orifice size to be sure
it is correct for the gas supply.
2. Adjust the air shutter on the
burner.
3. With the use of a manometer,
adjust the pressure regulator to
the proper pressure setting on
the data tag.
4. Verify that the connection type is
at least ¾" inside diameter and
of commercial grade. Check with
your installer for correction.
12
Range Owner's Manual 20201109
Solutions